import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

import StudentList;

public class StudentListTunnelServlet extends HttpServlet {

  public void init(ServletConfig config)
    throws ServletException {

    super.init(config);
  }

  //Service the request
  public void service(HttpServletRequest request,
    HttpServletResponse response)
    throws ServletException, IOException {

    try {

      // Create the ObjectInputStream with
      // the Request InputStream.
      ObjectInputStream ois =
        new ObjectInputStream(request.getInputStream());

      // Read the Object.  Make sure the StudentList Object
      // is in your CLASSPATH or you will receive a
      // ClassNotFoundException.
      StudentList list = (StudentList)ois.readObject();

      // The Response Begins Here
      response.setContentType("application/octet-stream");

      ObjectOutputStream oos =
        new ObjectOutputStream(response.getOutputStream());

      // Echo the object to the response
      oos.writeObject(list);
      oos.flush();
      oos.close();
    }
    catch (ClassNotFoundException cnfe) {

      System.err.println(cnfe.getMessage());
    }
  }

  //Get Servlet information
  public String getServletInfo() {
  
    return "StudentListTunnelServlet Information";
  }
}